New England Patriots cheerleaders, dressed in Santa Claus outfits, perform in the second quarter of an NFL football game against the Cleveland Browns Sunday, Dec. 8, 2013, in Foxborough, Mass. Steven Senne, AP

San Francisco 49ers Gold Rush cheerleaders peform in the first half of an NFL football game between the San Francisco 49ers and the Seattle Seahawks, Sunday, Dec. 8, 2013, in San Francisco. Ben Margot, AP